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[AMD Official Use Only - Internal Distribution Only]<br>
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<p class="MsoNormal">Could anyone help to review the patch?</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Bookman Old Style",serif">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Bookman Old Style",serif">Jacob<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> He, Jacob <Jacob.He@amd.com><br>
<b>Sent:</b> Monday, March 2, 2020 1:35:29 PM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
<b>Cc:</b> He, Jacob <Jacob.He@amd.com><br>
<b>Subject:</b> [PATCH] drm/amdgpu: Update SPM_VMID with the job's vmid when application reserves the vmid</font>
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<div class="PlainText">SPM access the video memory according to SPM_VMID. It should be updated<br>
with the job's vmid right before the job is scheduled. SPM_VMID is a<br>
global resource<br>
<br>
Change-Id: Id3881908960398f87e7c95026a54ff83ff826700<br>
Signed-off-by: Jacob He <jacob.he@amd.com><br>
---<br>
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++++<br>
1 file changed, 4 insertions(+)<br>
<br>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c<br>
index c00696f3017e..c761d3a0b6e8 100644<br>
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c<br>
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c<br>
@@ -1080,8 +1080,12 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job,<br>
struct dma_fence *fence = NULL;<br>
bool pasid_mapping_needed = false;<br>
unsigned patch_offset = 0;<br>
+ bool update_spm_vmid_needed = (job->vm && (job->vm->reserved_vmid[vmhub] != NULL));<br>
int r;<br>
<br>
+ if (update_spm_vmid_needed && adev->gfx.rlc.funcs->update_spm_vmid)<br>
+ adev->gfx.rlc.funcs->update_spm_vmid(adev, job->vmid);<br>
+<br>
if (amdgpu_vmid_had_gpu_reset(adev, id)) {<br>
gds_switch_needed = true;<br>
vm_flush_needed = true;<br>
-- <br>
2.17.1<br>
<br>
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